Home / 9,479-15,515

Finding the Third Proportional to 9,479 and 15,515

Calculator

Solution

The third proportional to 9,479 and 15,515 is: 25,394.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479 : 15,515 = 15,515 : x
  2. Step 2: Convert to fraction form
    9,479/15,515 = 15,515/x
  3. Step 3: Cross multiply
    9,479x = 15,515 × 15,515
  4. Step 4: Simplify right side
    9,479x = 240,715,225
  5. Step 5: Solve for x
    x = 240,715,225/9,479
  6. Step 6: Final answer
    x = 25,394.58

Related Problems

Find third proportional to 4,739.50 and 7,757.50
Half scale
Find third proportional to 18,958 and 31,030
Double scale
Find third proportional to 9,481 and 15,518
Similar ratio
Find third proportional to 14,218.50 and 23,272.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.